A hacker has claimed to have procured a trove of personal information from the Shanghai police on one billion Chinese citizens, which tech experts say, if true, would be one of the biggest data breaches in history.

A federal judge on Tuesday said a former Uber Technologies Inc security chief must face wire fraud charges over his alleged role in trying to cover up a 2016 hacking that exposed the personal information of 57 million passengers and drivers.

Russian hacker group Killnet told Reuters that it was continuing a major cyber attack on Lithuania on Tuesday in retaliation for Vilnius's decision to cease the transit of some goods under European Union sanctions to Russia's Kaliningrad exclave.

Victor Zhora, the deputy head of Ukraine's State Special Communications Service, said that phones being used by the country's public servants had come under sustained targeting.

China's proposed cybersecurity rules for financial firms could pose risks to the operations of western companies by making their data vulnerable to hacking, among other things, a leading lobby group has said in a letter seen by Reuters.

A cyberattack struck Costa Rica's hospitals and clinics early Tuesday morning, the Costa Rican Social Security Fund (CCSS) said, the latest in a string of hacks targeting the Central American country in recent weeks.

Reuters could not immediately verify the authenticity of the emails, but two victims of the leak on Wednesday confirmed that they had been targeted by hackers and blamed the Russian government.

The Series D funding round brings the total amount raised by Semperis to about $250 million since its founding in 2015. The company did not disclose its latest valuation.

Although researchers demonstrated the hack on a 2021 Tesla Model Y, NCC Group said any smart locks using BLE technology, including residential smart locks, could be unlocked in the same way.

France's Thales said on Tuesday it had struck a deal with Sonae Investment Management to acquire two European cybersecurity companies, S21sec and Excellium, for an enterprise value of 120 million euros (~$125 million).